South Korean boyband ‘BTS,’ also known as Bangtan Boys, just won the ‘Top Social Artist’ at the 2017 Billboard Music Awards in Las Vegas on Sunday, May 21, 2017. “ARMY, our fandom, thank you very much,” the group said during their acceptance speech. “You know, we still cannot believe that we are standing here on this stage at the Billboard Music Awards. Most importantly, this award belongs to the every people all around the world that shine the love and light on us by the million and make…